21988758

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{773}}^1$

素因数の和:1220

約数の個数: 32

約数和(自身を含む): 48148992

約数和(自身を除く): 26160234

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 431, 773, 862, 1293, 1546, 2319, 2586, 4638, 4741, 8503, 9482, 14223, 17006, 25509, 28446, 51018, 333163, 666326, 999489, 1998978, 3664793, 7329586, 10994379, 21988758]

約数ペア:

[(1, 21988758), (2, 10994379), (3, 7329586), (6, 3664793), (11, 1998978), (22, 999489), (33, 666326), (66, 333163), (431, 51018), (773, 28446), (862, 25509), (1293, 17006), (1546, 14223), (2319, 9482), (2586, 8503), (4638, 4741)]